The Stop Spammers Security plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 2022.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
CVE-2023-2489 is a medium severity with CVSS 4.4 Stored Cross-Site Scripting issue affecting the Plugin Stop Spammers Classic. It affects Versions up to 2022.6 and is fixed in 2023.
CVE-2023-2489 is tracked for the Plugin Stop Spammers Classic as medium severity with CVSS 4.4. The affected range is Versions up to 2022.6. Update Stop Spammers Classic to 2023 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
stop-spammer-registrations-plugin
View on wordpress.org
|
| CVE | CVE-2023-2489 |
| Patched Versions |
2023
|
| Affected Versions |
Versions up to 2022.6
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Stop Spammers Security <= 2022.5 - Unauthenticated PHP Object Injection
Stop Spammers Security <= 2022.6 - Reflected Cross-Site Scripting
Stop Spammers <= 2021.8 - Reflected Cross-Site Scripting
Anti-Spam: Spam Protection | Block Spam Users, Comments, Forms <= 2024.7 - Cross-Site Request Forgery to Multiple Administrative Actions
Stop Spammers Security | Block Spam Users, Comments, Forms <= 2024.4 - Cross-Site Request Forgery (CSRF) via sfs_process
Stop Spammers Security <= 2021.17 - Authenticated (Admin+) Stored Cross-Site Scripting
Stop Spammers Classic <= 2026.1 - Cross-Site Request Forgery via Email Allowlist
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